Scholars A-Z

Born on 1149 Died on 1209
Fakhr ad-Din ar-Razi was a Persian Sunni Muslim theologian and philosopher who wrote in Arabic. He was born in 1149 in Ray (today located in Iran), and died in 1209 in Herat (today located in Afghanistan). He also wrote on medicines, physics, astronomy, literature, history and law.   He s...
Died on 951
Ibn Al-Daya was the author of the Sirat Ahmad b. Tulun wa'bnihi Khumarawayh (Biography of Ibn Tulun and his son Khumarawayh). This is a biography of the first Tulunid rulers of Egypt. For more detail click here.
Born on 1312 Died on 1359
ʻAlī ibn Muḥammad Ibn al-Durayhim was an Arab cryptologist who gave detailed descriptions of eight cipher systems that discussed substitution ciphers, leading to the earliest suggestion of a "tableau" of the kind that two centuries later became known as the "Vigenère table".   His book en...
Al-Dimishqi was an economist who flourished in Damascus and other places in Syria. He composed the Kitab al-Ishara ila Mahasin al-Tijara wa Matrifa al-Jayyid al-Atrad wa Radiha wa Ghushush al-Mudallisin Fiha or Book Explaining the Benefits of Commerce and the Knowledge of Good and Bad Qualities [of...

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